Loki was a science fiction and weird stories fanzine by Gerry de la Ree and Genevieve K. Stephens.

Loki was published in the 1940s in New Jersey, U.S.A. The first issue, appearing in Spring 1948, featured Eando Binder, Lin Carter (Spaceteer), David H. Keller, Dorothy Quick, Richard Shaver, and Stanley Weinbaum.